Blog
Web performance and privacy,in plain language.
No jargon, no buzzwords. What the numbers really mean and how to make them better, from the people building fastmon.
7 min read
Ask your AI about your web performance: fastmon now has an MCP server
Connect Claude, Claude Code or Cursor to fastmon and ask for your field data instead of clicking it together in the dashboard. Nineteen read-only tools, OAuth instead of keys, and an honest note about who actually receives your data.
Kamil Adrian Czujowski
Co-Founder
16 min read
Real user monitoring tools in 2026: eight vendors, honestly compared
Eight real user monitoring tools compared: prices, hosting and what lands on the visitor's device. List prices checked 2 September 2026, with an honest verdict.
Kamil Adrian Czujowski
Co-Founder
5 min read
Your page takes 800 ms to the first byte. Doing what, exactly?
TTFB is a single number for everything that happens before the first byte. How to split it into phases with one response header, why search and key-value stores deserve phases of their own, and how Early Hints make your TTFB look better than it is.
Kamil Adrian Czujowski
Co-Founder
4 min read
Every deploy can wreck your performance. Would you notice?
Regressions almost always ride in on a deploy. Why the average hides them, how a release marker from your CI/CD makes them visible, and what you actually compare at the p75.
Kamil Adrian Czujowski
Co-Founder
6 min read
Browser cache, CDN cache, origin cache: what do they mean?
When someone says: just turn on the cache. Which one? There are three, they sit behind one another, and between the first and the last one lies half a second of waiting for your visitors.
Kamil Adrian Czujowski
Co-Founder
4 min read
LCP, FCP, TTFB: just buzzwords to you?
Five acronyms, translated into plain language: what your visitors actually feel when these numbers are bad, and why Google takes them seriously.
Kamil Adrian Czujowski
Co-Founder
4 min read
Why we bet on Europe. And what that actually means.
No Cloudflare, no AWS, no GCP: why we took the less convenient path, and what it concretely changes for your data.
Kamil Adrian Czujowski
Co-Founder